OOIR: Observatory of International Research

Papers

(The H4-Index of Hydrogeology Journal is 15. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-04-01 to 2025-04-01.)

Article	Citations
Controls on recharge in thick vadose zones under climate variability and change	88
Analytical methods to estimate the hydraulic conductivity of jointed rocks	47
A dynamic harmonic regression approach to estimating groundwater evapotranspiration based on diurnal groundwater-level fluctuations	34
Macroscopic and mesoscopic characteristics of liquid-gas two-phase flow in a single fracture	33
High-efficiency and high-resolution numerical modeling for two-dimensional infiltration processes, accelerated by a graphics processing unit	31
When perchlorate degradation in the riverbank cannot impede the contamination of drinking water wells	31
Editor’s Message: Transitions in Hydrogeology Journal leadership	30
Integrated workflow incorporating the Hurst exponent and interval inversion for evaluating groundwater formations	28
Inverse unsaturated-zone flow modeling for groundwater recharge estimation: a regional spatial nonstationary approach	25
Method of evaluating the radius of influence of a circulating well based on hydraulic head difference	23
Combining harmonic pumping with a tracer test for fractured aquifer characterization	22
Assessment of geochemical processes in the shared groundwater resources of the Taoudeni aquifer system (Sahel region, Africa)	21
Modeling of multiyear water-table fluctuations in response to intermittent artificial recharge	19
Apportioning deformation among depth intervals in an aquifer system using InSAR and head data	17
Large-scale hydraulic conductivity distribution in an unconfined carbonate aquifer using the ocean tidal propagation	16
Use of the analytical modeling of recession to describe a dual-aquifer effect	15
Estimating groundwater mean transit time from SF6 in stream water: field example and planning metrics for a reach mass-balance approach	15
Systematic visual analysis of groundwater hydrographs: potential benefits and challenges	15